Up: Table of contents
  Many thanks to:  
  Tom Ace  
  Sheldon Brown  
  David Chase  
  Bruce Dance  
  Harriet Fell  
  Jim Gill  
  Tony Hadland  
  Jens Hansen  
  John Harris  
  Torben Finn Laursen  
  Crispin Miller  
  David Moorehouse  
  Adam Rankin  
  Konstantin Shemyak  
  Sturmey-Archer and the Sturmey-Archer Heritage Web site  
  Howard Sutherland  
  A footnote to the header cell of each page of calculations gives the source of information.  
  Back to the Table of Contents